ASoC: codecs: pm4125: drop bogus container_of() error handling

The dev_to_sdw_dev() helper uses container_of() to return the containing
soundwire device structure of its pointer argument and will never return
NULL.

Fixes: 8ad529484937 ("ASoC: codecs: add new pm4125 audio codec driver")
Cc: Alexey Klimov <[e-mail]>
Signed-off-by: Johan Hovold <[e-mail]>
Acked-by: Alexey Klimov <[e-mail]>
Reviewed-by: Dmitry Baryshkov <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/codecs/pm4125.c

···
 
 	pm4125->sdw_priv[AIF1_CAP] = dev_get_drvdata(pm4125->txdev);
 	pm4125->sdw_priv[AIF1_CAP]->pm4125 = pm4125;
-
 	pm4125->tx_sdw_dev = dev_to_sdw_dev(pm4125->txdev);
-	if (!pm4125->tx_sdw_dev) {
-		dev_err(dev, "could not get txslave with matching of dev\n");
-		ret = -EINVAL;
-		goto error_put_tx;
-	}
 
 	/*
 	 * As TX is the main CSR reg interface, which should not be suspended first.